By turns homage and send-up, faithful adaptation and freewheeling deconstruction, Life Sucks, Aaron Posner's witty, iconoclastic update of Chekhov's Uncle Vanya, is much smarter and more entertaining than its blunt title might lead you to believe. Posner"whose Stupid Fucking Bird was similarly modeled on The Seagull"takes the story and characters from Chekhov's classic play about love, loss, and ennui among the econo…
